Re: [Gems-users] DataBlk in CacheMsg?

[Hemayet Hossain <hossain@xxxxxxxxxxxxxxxx>]

Dan Gibson,
Thanks a lot.
----------
Hemayet
Dan Gibson wrote:
> Hemayet,
>
> Ruby's DataBlk functionality has been deprecated for some time. They 
> still reside in RequestMsg and ResponseMsg objects for accounting 
> purposes. If you want to try to restore the DataBlk functionality, turn 
> DATA_BLOCK on in rubyconfig.defaults and see what breaks.
> Regards,
> Dan
>
> Hemayet Hossain wrote:
>   
> > Hi Dan Gibson,
> > Thanks for your quick reply. So, what if I want to keep the data also in 
> > Ruby(corresponding sent the modified to simics also)? Moreover 
> > RequestMsg and ResponseMsg are maintaining DataBlock fields. Are those 
> > not necessary in Ruby?
> > Thanks.
> > --------
> > Hemayet Hossain
> > Dan Gibson wrote:
> >   
> >     
> > > Ruby does not keep data in its caches.
> > > The presence of data is accounted for in various messages (eg message 
> > > sizes), though no actual data is "sent". Ruby relies on Simics to 
> > > provide data.
> > > Regards,
> > > Dan Gibson
> > >
> > > Hemayet Hossain wrote:
> > >   
> > >     
> > >       
> > > > Hi Everybody,
> > > > I have a dumb question. I would really appreciate if someone can clear 
> > > > the thing. I am assuming data are maintained in Cache.
> > > > Let us consider a Store comes from a processor but that for that L1 miss 
> > > > occurs. So L1 controller will issue a GETX and after getting the GETX 
> > > > response from L2 controller (i.e Data), L1 controller needs to update 
> > > > the specific bytes (for which Store was happened). But I am not clear 
> > > > about how the data from processor is coming to L1 controller. Is it 
> > > > through CacheMsg that was originally sent through Mandatory Queue? or 
> > > > any other way? Can you plz explain?
> > > > Thanks.
> > > > -------------
> > > > Hemayet Hossain
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